Safe Speed Forums

hi all, In our pub last night one of the lads said that all mobile speed camaras as in LTI 20-20, only need calibrating once a year ,surley this cannot be right.It has got to be calibrated before and after uese, can anyone solve this argument.

There is calibration and there is calibration.

True calibration requires specialist equipment.

The daily checks are supposed to check that zero is in fact zero. It is not calibration as such.

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Speed camera policy Kills

Not to mention checking that the scope is aligned with the laser. this should be done each day and at the site by turning the LTI to sound test mode and passing the laser over a nearby street lamp in verticle and horisontal plane. the sound changes when the beam detects the pole and should line up with the cross hairs

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Speed limit sign radio interview. TV Snap Unhappy
“It has never been the rule in this country – I hope it never will be - that suspected criminal offences must automatically be the subject of prosecution” He added that there should be a prosecution: “wherever it appears that the offence or the circumstances of its commission is or are of such a character that a prosecution in respect thereof is required in the public interest”
This approach has been endorsed by Attorney General ever since 1951. CPS Code

So this says they must calibrate before use.

the device is CALLIBRATED once a year. the laser and scope alignment should be checked at each site and adjusted if required. Also the zero mph reading should be checked hrough the enfocement session.

So the answer to the original question is "CALLIBRATED once a year."

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Speed limit sign radio interview. TV Snap Unhappy
“It has never been the rule in this country – I hope it never will be - that suspected criminal offences must automatically be the subject of prosecution” He added that there should be a prosecution: “wherever it appears that the offence or the circumstances of its commission is or are of such a character that a prosecution in respect thereof is required in the public interest”
This approach has been endorsed by Attorney General ever since 1951. CPS Code

Thanks Chaps, looks like I get the drinks in.